src/main/resources/static/javascript/sone.js

   1 /* Sone JavaScript functions. */
   2
   3 function ajaxGet(url, data, successCallback, errorCallback) {
   4         (function(url, data, successCallback, errorCallback) {
   5                 $.ajax({"type": "GET", "url": url, "data": data, "dataType": "json", "success": function(data, textStatus, xmlHttpRequest) {
   6                         ajaxSuccess();
   7                         if (typeof successCallback != "undefined") {
   8                                 successCallback(data, textStatus);
   9                         }
  10                 }, "error": function(xmlHttpRequest, textStatus, errorThrown) {
  11                         if (xmlHttpRequest.status == 403) {
  12                                 notLoggedIn = true;
  13                         }
  14                         if (typeof errorCallback != "undefined") {
  15                                 errorCallback();
  16                         } else {
  17                                 ajaxError();
  18                         }
  19                 }});
  20         })(url, data, successCallback, errorCallback);
  21 }
  22
  23 function registerInputTextareaSwap(inputElement, defaultText, inputFieldName, optional, dontUseTextarea) {
  24         $(inputElement).each(function() {
  25                 textarea = $(dontUseTextarea ? "<input type=\"text\" name=\"" + inputFieldName + "\">" : "<textarea name=\"" + inputFieldName + "\"></textarea>").blur(function() {
  26                         if ($(this).val() == "") {
  27                                 $(this).hide();
  28                                 inputField = $(this).data("inputField");
  29                                 inputField.show().removeAttr("disabled").addClass("default");
  30                                 inputField.val(defaultText);
  31                         }
  32                 }).hide().data("inputField", $(this)).val($(this).val());
  33                 $(this).data("textarea", textarea).after(textarea);
  34                 (function(inputField, textarea) {
  35                         inputField.focus(function() {
  36                                 $(this).hide().attr("disabled", "disabled");
  37                                 /* no, show(), “display: block” is not what I need. */
  38                                 textarea.attr("style", "display: inline").focus();
  39                         });
  40                         if (inputField.val() == "") {
  41                                 inputField.addClass("default");
  42                                 inputField.val(defaultText);
  43                         } else {
  44                                 inputField.hide().attr("disabled", "disabled");
  45                                 textarea.show();
  46                         }
  47                         $(inputField.get(0).form).submit(function() {
  48                                 inputField.attr("disabled", "disabled");
  49                                 if (!optional && (textarea.val() == "")) {
  50                                         inputField.removeAttr("disabled").focus();
  51                                         return false;
  52                                 }
  53                         });
  54                 })($(this), textarea);
  55         });
  56 }
  57
  58 /**
  59  * Adds a “comment” link to all status lines contained in the given element.
  60  *
  61  * @param postId
  62  *            The ID of the post
  63  * @param element
  64  *            The element to add a “comment” link to
  65  */
  66 function addCommentLink(postId, author, element, insertAfterThisElement) {
  67         if (($(element).find(".show-reply-form").length > 0) || (getPostElement(element).find(".create-reply").length == 0)) {
  68                 return;
  69         }
  70         commentElement = (function(postId, author) {
  71                 separator = $("<span> · </span>").addClass("separator");
  72                 var commentElement = $("<div><span>Comment</span></div>").addClass("show-reply-form").click(function() {
  73                         replyElement = $("#sone .post#" + postId + " .create-reply");
  74                         replyElement.removeClass("hidden");
  75                         replyElement.removeClass("light");
  76                         (function(replyElement) {
  77                                 replyElement.find("input.reply-input").blur(function() {
  78                                         if ($(this).hasClass("default")) {
  79                                                 replyElement.addClass("light");
  80                                         }
  81                                 }).focus(function() {
  82                                         replyElement.removeClass("light");
  83                                 });
  84                         })(replyElement);
  85                         textArea = replyElement.find("input.reply-input").focus().data("textarea");
  86                         if (author != getCurrentSoneId()) {
  87                                 textArea.val(textArea.val() + "@sone://" + author + " ");
  88                         }
  89                 });
  90                 return commentElement;
  91         })(postId, author);
  92         $(insertAfterThisElement).after(commentElement.clone(true));
  93         $(insertAfterThisElement).after(separator);
  94 }
  95
  96 var translations = {};
  97
  98 /**
  99  * Retrieves the translation for the given key and calls the callback function.
 100  * The callback function takes a single parameter, the translated string.
 101  *
 102  * @param key
 103  *            The key of the translation string
 104  * @param callback
 105  *            The callback function
 106  */
 107 function getTranslation(key, callback) {
 108         if (key in translations) {
 109                 callback(translations[key]);
 110                 return;
 111         }
 112         ajaxGet("getTranslation.ajax", {"key": key}, function(data, textStatus) {
 113                 if ((data != null) && data.success) {
 114                         translations[key] = data.value;
 115                         callback(data.value);
 116                 }
 117         });
 118 }
 119
 120 /**
 121  * Filters the given Sone ID, replacing all “~” characters by an underscore.
 122  *
 123  * @param soneId
 124  *            The Sone ID to filter
 125  * @returns The filtered Sone ID
 126  */
 127 function filterSoneId(soneId) {
 128         return soneId.replace(/[^a-zA-Z0-9-]/g, "_");
 129 }
 130
 131 /**
 132  * Updates the status of the given Sone.
 133  *
 134  * @param soneId
 135  *            The ID of the Sone to update
 136  * @param status
 137  *            The status of the Sone (“idle”, “unknown”, “inserting”,
 138  *            “downloading”)
 139  * @param modified
 140  *            Whether the Sone is modified
 141  * @param locked
 142  *            Whether the Sone is locked
 143  * @param lastUpdated
 144  *            The date and time of the last update (formatted for display)
 145  */
 146 function updateSoneStatus(soneId, name, status, modified, locked, lastUpdated, lastUpdatedText) {
 147         $("#sone .sone." + filterSoneId(soneId)).
 148                 toggleClass("unknown", status == "unknown").
 149                 toggleClass("idle", status == "idle").
 150                 toggleClass("inserting", status == "inserting").
 151                 toggleClass("downloading", status == "downloading").
 152                 toggleClass("modified", modified);
 153         $("#sone .sone." + filterSoneId(soneId) + " .lock").toggleClass("hidden", locked);
 154         $("#sone .sone." + filterSoneId(soneId) + " .unlock").toggleClass("hidden", !locked);
 155         if (lastUpdated != null) {
 156                 $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").attr("title", lastUpdated).text(lastUpdatedText);
 157         } else {
 158                 getTranslation("View.Sone.Text.UnknownDate", function(unknown) {
 159                         $("#sone .sone." + filterSoneId(soneId) + " .last-update span.time").text(unknown);
 160                 });
 161         }
 162         $("#sone .sone." + filterSoneId(soneId) + " .profile-link a").text(name);
 163 }
 164
 165 /**
 166  * Enhances a “delete” button so that the confirmation is done on the same page.
 167  *
 168  * @param button
 169  *            The button element
 170  * @param text
 171  *            The text to show on the button
 172  * @param deleteCallback
 173  *            The callback that actually deletes something
 174  */
 175 function enhanceDeleteButton(button, text, deleteCallback) {
 176         (function(button) {
 177                 newButton = $("<button></button>").addClass("confirm").hide().text(text).click(function() {
 178                         $(this).fadeOut("slow");
 179                         deleteCallback();
 180                         return false;
 181                 }).insertAfter(button);
 182                 (function(button, newButton) {
 183                         button.click(function() {
 184                                 button.fadeOut("slow", function() {
 185                                         newButton.fadeIn("slow");
 186                                         $(document).one("click", function() {
 187                                                 if (this != newButton.get(0)) {
 188                                                         newButton.fadeOut(function() {
 189                                                                 button.fadeIn();
 190                                                         });
 191                                                 }
 192                                         });
 193                                 });
 194                                 return false;
 195                         });
 196                 })(button, newButton);
 197         })($(button));
 198 }
 199
 200 /**
 201  * Enhances a post’s “delete” button.
 202  *
 203  * @param button
 204  *            The button element
 205  * @param postId
 206  *            The ID of the post to delete
 207  * @param text
 208  *            The text to replace the button with
 209  */
 210 function enhanceDeletePostButton(button, postId, text) {
 211         enhanceDeleteButton(button, text, function() {
 212                 ajaxGet("deletePost.ajax", { "post": postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 213                         if (data == null) {
 214                                 return;
 215                         }
 216                         if (data.success) {
 217                                 $("#sone .post#" + postId).slideUp();
 218                         } else if (data.error == "invalid-post-id") {
 219                                 /* pretend the post is already gone. */
 220                                 getPost(postId).slideUp();
 221                         } else if (data.error == "auth-required") {
 222                                 alert("You need to be logged in.");
 223                         } else if (data.error == "not-authorized") {
 224                                 alert("You are not allowed to delete this post.");
 225                         }
 226                 }, function(xmlHttpRequest, textStatus, error) {
 227                         /* ignore error. */
 228                 });
 229         });
 230 }
 231
 232 /**
 233  * Enhances a reply’s “delete” button.
 234  *
 235  * @param button
 236  *            The button element
 237  * @param replyId
 238  *            The ID of the reply to delete
 239  * @param text
 240  *            The text to replace the button with
 241  */
 242 function enhanceDeleteReplyButton(button, replyId, text) {
 243         enhanceDeleteButton(button, text, function() {
 244                 ajaxGet("deleteReply.ajax", { "reply": replyId, "formPassword": $("#sone #formPassword").text() }, function(data, textStatus) {
 245                         if (data == null) {
 246                                 return;
 247                         }
 248                         if (data.success) {
 249                                 $("#sone .reply#" + replyId).slideUp();
 250                         } else if (data.error == "invalid-reply-id") {
 251                                 /* pretend the reply is already gone. */
 252                                 getReply(replyId).slideUp();
 253                         } else if (data.error == "auth-required") {
 254                                 alert("You need to be logged in.");
 255                         } else if (data.error == "not-authorized") {
 256                                 alert("You are not allowed to delete this reply.");
 257                         }
 258                 }, function(xmlHttpRequest, textStatus, error) {
 259                         /* ignore error. */
 260                 });
 261         });
 262 }
 263
 264 function getFormPassword() {
 265         return $("#sone #formPassword").text();
 266 }
 267
 268 /**
 269  * Returns the element of the Sone with the given ID.
 270  *
 271  * @param soneId
 272  *            The ID of the Sone
 273  * @returns All Sone elements with the given ID
 274  */
 275 function getSone(soneId) {
 276         return $("#sone .sone").filter(function(index) {
 277                 return $(".id", this).text() == soneId;
 278         });
 279 }
 280
 281 function getSoneElement(element) {
 282         return $(element).closest(".sone");
 283 }
 284
 285 /**
 286  * Generates a list of Sones by concatening the names of the given sones with a
 287  * new line character (“\n”).
 288  *
 289  * @param sones
 290  *            The sones to format
 291  * @returns {String} The created string
 292  */
 293 function generateSoneList(sones) {
 294         var soneList = "";
 295         $.each(sones, function() {
 296                 if (soneList != "") {
 297                         soneList += ", ";
 298                 }
 299                 soneList += this.name;
 300         });
 301         return soneList;
 302 }
 303
 304 /**
 305  * Returns the ID of the Sone that this element belongs to.
 306  *
 307  * @param element
 308  *            The element to locate the matching Sone ID for
 309  * @returns The ID of the Sone, or undefined
 310  */
 311 function getSoneId(element) {
 312         return getSoneElement(element).find(".id").text();
 313 }
 314
 315 /**
 316  * Returns the element of the post with the given ID.
 317  *
 318  * @param postId
 319  *            The ID of the post
 320  * @returns The element of the post
 321  */
 322 function getPost(postId) {
 323         return $("#sone .post#" + postId);
 324 }
 325
 326 function getPostElement(element) {
 327         return $(element).closest(".post");
 328 }
 329
 330 function getPostId(element) {
 331         return getPostElement(element).attr("id");
 332 }
 333
 334 function getPostTime(element) {
 335         return getPostElement(element).find(".post-time").text();
 336 }
 337
 338 /**
 339  * Returns the author of the post the given element belongs to.
 340  *
 341  * @param element
 342  *            The element whose post to get the author for
 343  * @returns The ID of the authoring Sone
 344  */
 345 function getPostAuthor(element) {
 346         return getPostElement(element).find(".post-author").text();
 347 }
 348
 349 /**
 350  * Returns the element of the reply with the given ID.
 351  *
 352  * @param replyId
 353  *            The ID of the reply
 354  * @returns The element of the reply
 355  */
 356 function getReply(replyId) {
 357         return $("#sone .reply#" + replyId);
 358 }
 359
 360 function getReplyElement(element) {
 361         return $(element).closest(".reply");
 362 }
 363
 364 function getReplyId(element) {
 365         return getReplyElement(element).attr("id");
 366 }
 367
 368 function getReplyTime(element) {
 369         return getReplyElement(element).find(".reply-time").text();
 370 }
 371
 372 /**
 373  * Returns the author of the reply the given element belongs to.
 374  *
 375  * @param element
 376  *            The element whose reply to get the author for
 377  * @returns The ID of the authoring Sone
 378  */
 379 function getReplyAuthor(element) {
 380         return getReplyElement(element).find(".reply-author").text();
 381 }
 382
 383 /**
 384  * Returns the notification with the given ID.
 385  *
 386  * @param notificationId
 387  *            The ID of the notification
 388  * @returns The notification element
 389  */
 390 function getNotification(notificationId) {
 391         return $("#sone #notification-area .notification#" + notificationId);
 392 }
 393
 394 /**
 395  * Returns the notification element closest to the given element.
 396  *
 397  * @param element
 398  *            The element to get the closest notification of
 399  * @return The closest notification element
 400  */
 401 function getNotificationElement(element) {
 402         return $(element).closest(".notification");
 403 }
 404
 405 /**
 406  * Returns the ID of the notification element.
 407  *
 408  * @param notificationElement
 409  *            The notification element
 410  * @returns The ID of the notification
 411  */
 412 function getNotificationId(notificationElement) {
 413         return $(notificationElement).attr("id");
 414 }
 415
 416 /**
 417  * Returns the time the notification was last updated.
 418  *
 419  * @param notificationElement
 420  *            The notification element
 421  * @returns The last update time of the notification
 422  */
 423 function getNotificationLastUpdatedTime(notificationElement) {
 424         return $(notificationElement).attr("lastUpdatedTime");
 425 }
 426
 427 function likePost(postId) {
 428         ajaxGet("like.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 429                 if ((data == null) || !data.success) {
 430                         return;
 431                 }
 432                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").addClass("hidden");
 433                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").removeClass("hidden");
 434                 updatePostLikes(postId);
 435         }, function(xmlHttpRequest, textStatus, error) {
 436                 /* ignore error. */
 437         });
 438 }
 439
 440 function unlikePost(postId) {
 441         ajaxGet("unlike.ajax", { "type": "post", "post" : postId, "formPassword": getFormPassword() }, function(data, textStatus) {
 442                 if ((data == null) || !data.success) {
 443                         return;
 444                 }
 445                 $("#sone .post#" + postId + " > .inner-part > .status-line .unlike").addClass("hidden");
 446                 $("#sone .post#" + postId + " > .inner-part > .status-line .like").removeClass("hidden");
 447                 updatePostLikes(postId);
 448         }, function(xmlHttpRequest, textStatus, error) {
 449                 /* ignore error. */
 450         });
 451 }
 452
 453 function updatePostLikes(postId) {
 454         ajaxGet("getLikes.ajax", { "type": "post", "post": postId }, function(data, textStatus) {
 455                 if ((data != null) && data.success) {
 456                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes").toggleClass("hidden", data.likes == 0);
 457                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes span.like-count").text(data.likes);
 458                         $("#sone .post#" + postId + " > .inner-part > .status-line .likes > span").attr("title", generateSoneList(data.sones));
 459                 }
 460         }, function(xmlHttpRequest, textStatus, error) {
 461                 /* ignore error. */
 462         });
 463 }
 464
 465 function likeReply(replyId) {
 466         ajaxGet("like.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 467                 if ((data == null) || !data.success) {
 468                         return;
 469                 }
 470                 $("#sone .reply#" + replyId + " .status-line .like").addClass("hidden");
 471                 $("#sone .reply#" + replyId + " .status-line .unlike").removeClass("hidden");
 472                 updateReplyLikes(replyId);
 473         }, function(xmlHttpRequest, textStatus, error) {
 474                 /* ignore error. */
 475         });
 476 }
 477
 478 function unlikeReply(replyId) {
 479         ajaxGet("unlike.ajax", { "type": "reply", "reply" : replyId, "formPassword": getFormPassword() }, function(data, textStatus) {
 480                 if ((data == null) || !data.success) {
 481                         return;
 482                 }
 483                 $("#sone .reply#" + replyId + " .status-line .unlike").addClass("hidden");
 484                 $("#sone .reply#" + replyId + " .status-line .like").removeClass("hidden");
 485                 updateReplyLikes(replyId);
 486         }, function(xmlHttpRequest, textStatus, error) {
 487                 /* ignore error. */
 488         });
 489 }
 490
 491 /**
 492  * Trusts the Sone with the given ID.
 493  *
 494  * @param soneId
 495  *            The ID of the Sone to trust
 496  */
 497 function trustSone(soneId) {
 498         ajaxGet("trustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 499                 if ((data != null) && data.success) {
 500                         updateTrustControls(soneId, data.trustValue);
 501                 }
 502         });
 503 }
 504
 505 /**
 506  * Distrusts the Sone with the given ID, i.e. assigns a negative trust value.
 507  *
 508  * @param soneId
 509  *            The ID of the Sone to distrust
 510  */
 511 function distrustSone(soneId) {
 512         ajaxGet("distrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 513                 if ((data != null) && data.success) {
 514                         updateTrustControls(soneId, data.trustValue);
 515                 }
 516         });
 517 }
 518
 519 /**
 520  * Untrusts the Sone with the given ID, i.e. removes any trust assignment.
 521  *
 522  * @param soneId
 523  *            The ID of the Sone to untrust
 524  */
 525 function untrustSone(soneId) {
 526         ajaxGet("untrustSone.ajax", { "formPassword" : getFormPassword(), "sone" : soneId }, function(data, textStatus) {
 527                 if ((data != null) && data.success) {
 528                         updateTrustControls(soneId, data.trustValue);
 529                 }
 530         });
 531 }
 532
 533 /**
 534  * Updates the trust controls for all posts and replies of the given Sone,
 535  * according to the given trust value.
 536  *
 537  * @param soneId
 538  *            The ID of the Sone to update all trust controls for
 539  * @param trustValue
 540  *            The trust value for the Sone
 541  */
 542 function updateTrustControls(soneId, trustValue) {
 543         $("#sone .post").each(function() {
 544                 if (getPostAuthor(this) == soneId) {
 545                         getPostElement(this).find(".post-trust").toggleClass("hidden", trustValue != null);
 546                         getPostElement(this).find(".post-distrust").toggleClass("hidden", trustValue != null);
 547                         getPostElement(this).find(".post-untrust").toggleClass("hidden", trustValue == null);
 548                 }
 549         });
 550         $("#sone .reply").each(function() {
 551                 if (getReplyAuthor(this) == soneId) {
 552                         getReplyElement(this).find(".reply-trust").toggleClass("hidden", trustValue != null);
 553                         getReplyElement(this).find(".reply-distrust").toggleClass("hidden", trustValue != null);
 554                         getReplyElement(this).find(".reply-untrust").toggleClass("hidden", trustValue == null);
 555                 }
 556         });
 557 }
 558
 559 /**
 560  * Bookmarks the post with the given ID.
 561  *
 562  * @param postId
 563  *            The ID of the post to bookmark
 564  */
 565 function bookmarkPost(postId) {
 566         (function(postId) {
 567                 ajaxGet("bookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 568                         if ((data != null) && data.success) {
 569                                 getPost(postId).find(".bookmark").toggleClass("hidden", true);
 570                                 getPost(postId).find(".unbookmark").toggleClass("hidden", false);
 571                         }
 572                 });
 573         })(postId);
 574 }
 575
 576 /**
 577  * Unbookmarks the post with the given ID.
 578  *
 579  * @param postId
 580  *            The ID of the post to unbookmark
 581  */
 582 function unbookmarkPost(postId) {
 583         ajaxGet("unbookmark.ajax", {"formPassword": getFormPassword(), "type": "post", "post": postId}, function(data, textStatus) {
 584                 if ((data != null) && data.success) {
 585                         getPost(postId).find(".bookmark").toggleClass("hidden", false);
 586                         getPost(postId).find(".unbookmark").toggleClass("hidden", true);
 587                 }
 588         });
 589 }
 590
 591 function updateReplyLikes(replyId) {
 592         ajaxGet("getLikes.ajax", { "type": "reply", "reply": replyId }, function(data, textStatus) {
 593                 if ((data != null) && data.success) {
 594                         $("#sone .reply#" + replyId + " .status-line .likes").toggleClass("hidden", data.likes == 0);
 595                         $("#sone .reply#" + replyId + " .status-line .likes span.like-count").text(data.likes);
 596                         $("#sone .reply#" + replyId + " .status-line .likes > span").attr("title", generateSoneList(data.sones));
 597                 }
 598         }, function(xmlHttpRequest, textStatus, error) {
 599                 /* ignore error. */
 600         });
 601 }
 602
 603 /**
 604  * Posts a reply and calls the given callback when the request finishes.
 605  *
 606  * @param sender
 607  *            The ID of the sender
 608  * @param postId
 609  *            The ID of the post the reply refers to
 610  * @param text
 611  *            The text to post
 612  * @param callbackFunction
 613  *            The callback function to call when the request finishes (takes 3
 614  *            parameters: success, error, replyId)
 615  */
 616 function postReply(sender, postId, text, callbackFunction) {
 617         ajaxGet("createReply.ajax", { "formPassword" : getFormPassword(), "sender": sender, "post" : postId, "text": text }, function(data, textStatus) {
 618                 if (data == null) {
 619                         /* TODO - show error */
 620                         return;
 621                 }
 622                 if (data.success) {
 623                         callbackFunction(true, null, data.reply, data.sone);
 624                 } else {
 625                         callbackFunction(false, data.error);
 626                 }
 627         }, function(xmlHttpRequest, textStatus, error) {
 628                 /* ignore error. */
 629         });
 630 }
 631
 632 /**
 633  * Ajaxifies the given Sone by enhancing all eligible elements with AJAX.
 634  *
 635  * @param soneElement
 636  *            The Sone to ajaxify
 637  */
 638 function ajaxifySone(soneElement) {
 639         /*
 640          * convert all “follow”, “unfollow”, “lock”, and “unlock” links to something
 641          * nicer.
 642          */
 643         $(".follow", soneElement).submit(function() {
 644                 var followElement = this;
 645                 ajaxGet("followSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 646                         $(followElement).addClass("hidden");
 647                         $(followElement).parent().find(".unfollow").removeClass("hidden");
 648                 });
 649                 return false;
 650         });
 651         $(".unfollow", soneElement).submit(function() {
 652                 var unfollowElement = this;
 653                 ajaxGet("unfollowSone.ajax", { "sone": getSoneId(this), "formPassword": getFormPassword() }, function() {
 654                         $(unfollowElement).addClass("hidden");
 655                         $(unfollowElement).parent().find(".follow").removeClass("hidden");
 656                 });
 657                 return false;
 658         });
 659         $(".lock", soneElement).submit(function() {
 660                 var lockElement = this;
 661                 ajaxGet("lockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 662                         $(lockElement).addClass("hidden");
 663                         $(lockElement).parent().find(".unlock").removeClass("hidden");
 664                 });
 665                 return false;
 666         });
 667         $(".unlock", soneElement).submit(function() {
 668                 var unlockElement = this;
 669                 ajaxGet("unlockSone.ajax", { "sone" : getSoneId(this), "formPassword" : getFormPassword() }, function() {
 670                         $(unlockElement).addClass("hidden");
 671                         $(unlockElement).parent().find(".lock").removeClass("hidden");
 672                 });
 673                 return false;
 674         });
 675
 676         /* mark Sone as known when clicking it. */
 677         $(soneElement).click(function() {
 678                 markSoneAsKnown(this);
 679         });
 680 }
 681
 682 /**
 683  * Ajaxifies the given post by enhancing all eligible elements with AJAX.
 684  *
 685  * @param postElement
 686  *            The post element to ajaxify
 687  */
 688 function ajaxifyPost(postElement) {
 689         $(postElement).find("form").submit(function() {
 690                 return false;
 691         });
 692         $(postElement).find(".create-reply button:submit").click(function() {
 693                 button = $(this);
 694                 button.attr("disabled", "disabled");
 695                 sender = $(this.form).find(":input[name=sender]").val();
 696                 inputField = $(this.form).find(":input[name=text]:enabled").get(0);
 697                 postId = getPostId(this);
 698                 text = $(inputField).val();
 699                 (function(sender, postId, text, inputField) {
 700                         postReply(sender, postId, text, function(success, error, replyId, soneId) {
 701                                 if (success) {
 702                                         $(inputField).val("");
 703                                         loadNewReply(replyId, soneId, postId);
 704                                         $("#sone .post#" + postId + " .create-reply").addClass("hidden");
 705                                         $("#sone .post#" + postId + " .create-reply .sender").hide();
 706                                         $("#sone .post#" + postId + " .create-reply .select-sender").show();
 707                                         $("#sone .post#" + postId + " .create-reply :input[name=sender]").val(getCurrentSoneId());
 708                                 } else {
 709                                         alert(error);
 710                                 }
 711                                 button.removeAttr("disabled");
 712                         });
 713                 })(sender, postId, text, inputField);
 714                 return false;
 715         });
 716
 717         /* replace all “delete” buttons with javascript. */
 718         (function(postElement) {
 719                 getTranslation("WebInterface.Confirmation.DeletePostButton", function(deletePostText) {
 720                         postId = getPostId(postElement);
 721                         enhanceDeletePostButton($(postElement).find(".delete-post button"), postId, deletePostText);
 722                 });
 723         })(postElement);
 724
 725         /* convert all “like” buttons to javascript functions. */
 726         $(postElement).find(".like-post").submit(function() {
 727                 likePost(getPostId(this));
 728                 return false;
 729         });
 730         $(postElement).find(".unlike-post").submit(function() {
 731                 unlikePost(getPostId(this));
 732                 return false;
 733         });
 734
 735         /* convert trust control buttons to javascript functions. */
 736         $(postElement).find(".post-trust").submit(function() {
 737                 trustSone(getPostAuthor(this));
 738                 return false;
 739         });
 740         $(postElement).find(".post-distrust").submit(function() {
 741                 distrustSone(getPostAuthor(this));
 742                 return false;
 743         });
 744         $(postElement).find(".post-untrust").submit(function() {
 745                 untrustSone(getPostAuthor(this));
 746                 return false;
 747         });
 748
 749         /* convert bookmark/unbookmark buttons to javascript functions. */
 750         $(postElement).find(".bookmark").submit(function() {
 751                 bookmarkPost(getPostId(this));
 752                 return false;
 753         });
 754         $(postElement).find(".unbookmark").submit(function() {
 755                 unbookmarkPost(getPostId(this));
 756                 return false;
 757         });
 758
 759         /* convert “show source” link into javascript function. */
 760         $(postElement).find(".show-source").each(function() {
 761                 $("a", this).click(function() {
 762                         $(".post-text.text", getPostElement(this)).toggleClass("hidden");
 763                         $(".post-text.raw-text", getPostElement(this)).toggleClass("hidden");
 764                         return false;
 765                 });
 766         });
 767
 768         /* add “comment” link. */
 769         addCommentLink(getPostId(postElement), getPostAuthor(postElement), postElement, $(postElement).find(".post-status-line .permalink-author"));
 770
 771         /* process all replies. */
 772         replyIds = [];
 773         $(postElement).find(".reply").each(function() {
 774                 replyIds.push(getReplyId(this));
 775                 ajaxifyReply(this);
 776         });
 777         updateReplyTimes(replyIds.join(","));
 778
 779         /* process reply input fields. */
 780         getTranslation("WebInterface.DefaultText.Reply", function(text) {
 781                 $(postElement).find("input.reply-input").each(function() {
 782                         registerInputTextareaSwap(this, text, "text", false, false);
 783                 });
 784         });
 785
 786         /* process sender selection. */
 787         $(".select-sender", postElement).css("display", "inline");
 788         $(".sender", postElement).hide();
 789         $(".select-sender button", postElement).click(function() {
 790                 $(".sender", postElement).show();
 791                 $(".select-sender", postElement).hide();
 792                 return false;
 793         });
 794
 795         /* mark everything as known on click. */
 796         $(postElement).click(function(event) {
 797                 if ($(event.target).hasClass("click-to-show")) {
 798                         return false;
 799                 }
 800                 markPostAsKnown(this);
 801         });
 802
 803         /* hide reply input field. */
 804         $(postElement).find(".create-reply").addClass("hidden");
 805
 806         /* show Sone menu when hovering over the avatar. */
 807         $(postElement).find(".avatar").mouseover(function() {
 808                 $(".sone-post-menu", postElement).mouseleave(function() {
 809                         $(this).fadeOut();
 810                 }).fadeIn();
 811                 return false;
 812         });
 813 }
 814
 815 /**
 816  * Ajaxifies the given reply element.
 817  *
 818  * @param replyElement
 819  *            The reply element to ajaxify
 820  */
 821 function ajaxifyReply(replyElement) {
 822         $(replyElement).find(".like-reply").submit(function() {
 823                 likeReply(getReplyId(this));
 824                 return false;
 825         });
 826         $(replyElement).find(".unlike-reply").submit(function() {
 827                 unlikeReply(getReplyId(this));
 828                 return false;
 829         });
 830         (function(replyElement) {
 831                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(deleteReplyText) {
 832                         $(replyElement).find(".delete-reply button").each(function() {
 833                                 enhanceDeleteReplyButton(this, getReplyId(replyElement), deleteReplyText);
 834                         });
 835                 });
 836         })(replyElement);
 837         addCommentLink(getPostId(replyElement), getReplyAuthor(replyElement), replyElement, $(replyElement).find(".reply-status-line .permalink-author"));
 838
 839         /* convert “show source” link into javascript function. */
 840         $(replyElement).find(".show-reply-source").each(function() {
 841                 $("a", this).click(function() {
 842                         $(".reply-text.text", getReplyElement(this)).toggleClass("hidden");
 843                         $(".reply-text.raw-text", getReplyElement(this)).toggleClass("hidden");
 844                         return false;
 845                 });
 846         });
 847
 848         /* convert trust control buttons to javascript functions. */
 849         $(replyElement).find(".reply-trust").submit(function() {
 850                 trustSone(getReplyAuthor(this));
 851                 return false;
 852         });
 853         $(replyElement).find(".reply-distrust").submit(function() {
 854                 distrustSone(getReplyAuthor(this));
 855                 return false;
 856         });
 857         $(replyElement).find(".reply-untrust").submit(function() {
 858                 untrustSone(getReplyAuthor(this));
 859                 return false;
 860         });
 861 }
 862
 863 /**
 864  * Ajaxifies the given notification by replacing the form with AJAX.
 865  *
 866  * @param notification
 867  *            jQuery object representing the notification.
 868  */
 869 function ajaxifyNotification(notification) {
 870         notification.find("form").submit(function() {
 871                 return false;
 872         });
 873         notification.find("input[name=returnPage]").val($.url.attr("relative"));
 874         if (notification.find(".short-text").length > 0) {
 875                 notification.find(".short-text").removeClass("hidden");
 876                 notification.find(".text").addClass("hidden");
 877         }
 878         notification.find("form.mark-as-read button").click(function() {
 879                 allIds = $(":input[name=id]", this.form).val().split(" ");
 880                 for (index = 0; index < allIds.length; index += 16) {
 881                         ids = allIds.slice(index, index + 16).join(" ");
 882                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": $(":input[name=type]", this.form).val(), "id": ids});
 883                 }
 884         });
 885         notification.find("a[class^='link-']").each(function() {
 886                 linkElement = $(this);
 887                 if (linkElement.is("[href^='viewPost']")) {
 888                         id = linkElement.attr("class").substr(5);
 889                         if (hasPost(id)) {
 890                                 linkElement.attr("href", "#post-" + id).addClass("in-page-link");
 891                         }
 892                 }
 893         });
 894         notification.find("form.dismiss button").click(function() {
 895                 ajaxGet("dismissNotification.ajax", { "formPassword" : getFormPassword(), "notification" : notification.attr("id") }, function(data, textStatus) {
 896                         /* dismiss in case of error, too. */
 897                         notification.slideUp();
 898                 }, function(xmlHttpRequest, textStatus, error) {
 899                         /* ignore error. */
 900                 });
 901         });
 902         return notification;
 903 }
 904
 905 /**
 906  * Retrieves element IDs from notification elements.
 907  *
 908  * @param notification
 909  *            The notification element
 910  * @param selector
 911  *            The selector of the element containing the ID as text
 912  * @returns All extracted IDs
 913  */
 914 function getElementIds(notification, selector) {
 915         elementIds = [];
 916         $(selector, notification).each(function() {
 917                 elementIds.push($(this).text());
 918         });
 919         return elementIds;
 920 }
 921
 922 /**
 923  * Compares the given notification elements and calls {@link #markSoneAsKnown()}
 924  * for every ID that is contained in the old notification but not in the new.
 925  *
 926  * @param oldNotification
 927  *            The old notification element
 928  * @param newNotification
 929  *            The new notification element
 930  */
 931 function checkForRemovedSones(oldNotification, newNotification) {
 932         if (getNotificationId(oldNotification) != "new-sone-notification") {
 933                 return;
 934         }
 935         oldIds = getElementIds(oldNotification, ".new-sone-id");
 936         newIds = getElementIds(newNotification, ".new-sone-id");
 937         $.each(oldIds, function(index, value) {
 938                 if ($.inArray(value, newIds) == -1) {
 939                         markSoneAsKnown(getSone(value), true);
 940                 }
 941         });
 942 }
 943
 944 /**
 945  * Compares the given notification elements and calls {@link #markPostAsKnown()}
 946  * for every ID that is contained in the old notification but not in the new.
 947  *
 948  * @param oldNotification
 949  *            The old notification element
 950  * @param newNotification
 951  *            The new notification element
 952  */
 953 function checkForRemovedPosts(oldNotification, newNotification) {
 954         if (getNotificationId(oldNotification) != "new-post-notification") {
 955                 return;
 956         }
 957         oldIds = getElementIds(oldNotification, ".post-id");
 958         newIds = getElementIds(newNotification, ".post-id");
 959         $.each(oldIds, function(index, value) {
 960                 if ($.inArray(value, newIds) == -1) {
 961                         markPostAsKnown(getPost(value), true);
 962                 }
 963         });
 964 }
 965
 966 /**
 967  * Compares the given notification elements and calls
 968  * {@link #markReplyAsKnown()} for every ID that is contained in the old
 969  * notification but not in the new.
 970  *
 971  * @param oldNotification
 972  *            The old notification element
 973  * @param newNotification
 974  *            The new notification element
 975  */
 976 function checkForRemovedReplies(oldNotification, newNotification) {
 977         if (getNotificationId(oldNotification) != "new-replies-notification") {
 978                 return;
 979         }
 980         oldIds = getElementIds(oldNotification, ".reply-id");
 981         newIds = getElementIds(newNotification, ".reply-id");
 982         $.each(oldIds, function(index, value) {
 983                 if ($.inArray(value, newIds) == -1) {
 984                         markReplyAsKnown(getReply(value), true);
 985                 }
 986         });
 987 }
 988
 989 function getStatus() {
 990         ajaxGet("getStatus.ajax", isViewSonePage() ? {"soneIds": getShownSoneId() } : {"loadAllSones": isKnownSonesPage()}, function(data, textStatus) {
 991                 if ((data != null) && data.success) {
 992                         /* process Sone information. */
 993                         $.each(data.sones, function(index, value) {
 994                                 updateSoneStatus(value.id, value.name, value.status, value.modified, value.locked, value.lastUpdatedUnknown ? null : value.lastUpdated, value.lastUpdatedText);
 995                         });
 996                         notLoggedIn = !data.loggedIn;
 997                         if (!notLoggedIn) {
 998                                 showOfflineMarker(!online);
 999                         }
1000                         /* search for removed notifications. */
1001                         $("#sone #notification-area .notification").each(function() {
1002                                 notificationId = $(this).attr("id");
1003                                 foundNotification = false;
1004                                 $.each(data.notifications, function(index, value) {
1005                                         if (value.id == notificationId) {
1006                                                 foundNotification = true;
1007                                                 return false;
1008                                         }
1009                                 });
1010                                 if (!foundNotification) {
1011                                         if (notificationId == "new-sone-notification") {
1012                                                 $(".new-sone-id", this).each(function(index, element) {
1013                                                         soneId = $(this).text();
1014                                                         markSoneAsKnown(getSone(soneId), true);
1015                                                 });
1016                                         } else if (notificationId == "new-post-notification") {
1017                                                 $(".post-id", this).each(function(index, element) {
1018                                                         postId = $(this).text();
1019                                                         markPostAsKnown(getPost(postId), true);
1020                                                 });
1021                                         } else if (notificationId == "new-replies-notification") {
1022                                                 $(".reply-id", this).each(function(index, element) {
1023                                                         replyId = $(this).text();
1024                                                         markReplyAsKnown(getReply(replyId), true);
1025                                                 });
1026                                         }
1027                                         $(this).slideUp("normal", function() {
1028                                                 $(this).remove();
1029                                                 /* remove activity when no notifications are visible. */
1030                                                 if ($("#sone #notification-area .notification").length == 0) {
1031                                                         resetActivity();
1032                                                 }
1033                                         });
1034                                 }
1035                         });
1036                         /* process notifications. */
1037                         notificationIds = [];
1038                         $.each(data.notifications, function(index, value) {
1039                                 oldNotification = getNotification(value.id);
1040                                 if ((oldNotification.length == 0) || (value.lastUpdatedTime > getNotificationLastUpdatedTime(oldNotification))) {
1041                                         notificationIds.push(value.id);
1042                                 }
1043                         });
1044                         if (notificationIds.length > 0) {
1045                                 loadNotifications(notificationIds);
1046                         }
1047                         /* process new posts. */
1048                         $.each(data.newPosts, function(index, value) {
1049                                 loadNewPost(value.id, value.sone, value.recipient, value.time);
1050                         });
1051                         /* process new replies. */
1052                         $.each(data.newReplies, function(index, value) {
1053                                 loadNewReply(value.id, value.sone, value.post, value.postSone);
1054                         });
1055                         /* do it again in 5 seconds. */
1056                         setTimeout(getStatus, 5000);
1057                 } else {
1058                         /* data.success was false, wait 30 seconds. */
1059                         setTimeout(getStatus, 30000);
1060                 }
1061         }, function() {
1062                 statusRequestQueued = false;
1063                 ajaxError();
1064         });
1065 }
1066
1067 /**
1068  * Requests multiple notifications from Sone and displays them.
1069  *
1070  * @param notificationIds
1071  *            Array of IDs of the notifications to load
1072  */
1073 function loadNotifications(notificationIds) {
1074         ajaxGet("getNotification.ajax", {"notifications": notificationIds.join(",")}, function(data, textStatus) {
1075                 if (!data || !data.success) {
1076                         // TODO - show error
1077                         return;
1078                 }
1079                 $.each(data.notifications, function(index, value) {
1080                         oldNotification = getNotification(value.id);
1081                         notification = ajaxifyNotification(createNotification(value.id, value.lastUpdatedTime, value.text, value.dismissable)).hide();
1082                         if (oldNotification.length != 0) {
1083                                 if ((oldNotification.find(".short-text").length > 0) && (notification.find(".short-text").length > 0)) {
1084                                         opened = oldNotification.is(":visible") && oldNotification.find(".short-text").hasClass("hidden");
1085                                         notification.find(".short-text").toggleClass("hidden", opened);
1086                                         notification.find(".text").toggleClass("hidden", !opened);
1087                                 }
1088                                 checkForRemovedSones(oldNotification, notification);
1089                                 checkForRemovedPosts(oldNotification, notification);
1090                                 checkForRemovedReplies(oldNotification, notification);
1091                                 oldNotification.replaceWith(notification.show());
1092                         } else {
1093                                 $("#sone #notification-area").append(notification);
1094                                 if (value.id.substring(0, 5) != "local") {
1095                                         notification.slideDown();
1096                                         setActivity();
1097                                 }
1098                         }
1099                 });
1100         });
1101 }
1102
1103 /**
1104  * Returns the ID of the currently logged in Sone.
1105  *
1106  * @return The ID of the current Sone, or an empty string if no Sone is logged
1107  *         in
1108  */
1109 function getCurrentSoneId() {
1110         return $("#currentSoneId").text();
1111 }
1112
1113 /**
1114  * Returns the content of the page-id attribute.
1115  *
1116  * @returns The page ID
1117  */
1118 function getPageId() {
1119         return $("#sone .page-id").text();
1120 }
1121
1122 /**
1123  * Returns whether the current page is the index page.
1124  *
1125  * @returns {Boolean} <code>true</code> if the current page is the index page,
1126  *          <code>false</code> otherwise
1127  */
1128 function isIndexPage() {
1129         return getPageId() == "index";
1130 }
1131
1132 /**
1133  * Returns the current page of the selected pagination. If no pagination can be
1134  * found with the given selector, {@code 1} is returned.
1135  *
1136  * @param paginationSelector
1137  *            The pagination selector
1138  * @returns The current page of the pagination
1139  */
1140 function getPage(paginationSelector) {
1141         pagination = $(paginationSelector);
1142         if (pagination.length > 0) {
1143                 return $(".current-page", paginationSelector).text();
1144         }
1145         return 1;
1146 }
1147
1148 /**
1149  * Returns whether the current page is a “view Sone” page.
1150  *
1151  * @returns {Boolean} <code>true</code> if the current page is a “view Sone”
1152  *          page, <code>false</code> otherwise
1153  */
1154 function isViewSonePage() {
1155         return getPageId() == "view-sone";
1156 }
1157
1158 /**
1159  * Returns the ID of the currently shown Sone. This will only return a sensible
1160  * value if isViewSonePage() returns <code>true</code>.
1161  *
1162  * @returns The ID of the currently shown Sone
1163  */
1164 function getShownSoneId() {
1165         return $("#sone .sone-id").text();
1166 }
1167
1168 /**
1169  * Returns whether the current page is a “view post” page.
1170  *
1171  * @returns {Boolean} <code>true</code> if the current page is a “view post”
1172  *          page, <code>false</code> otherwise
1173  */
1174 function isViewPostPage() {
1175         return getPageId() == "view-post";
1176 }
1177
1178 /**
1179  * Returns the ID of the currently shown post. This will only return a sensible
1180  * value if isViewPostPage() returns <code>true</code>.
1181  *
1182  * @returns The ID of the currently shown post
1183  */
1184 function getShownPostId() {
1185         return $("#sone .post-id").text();
1186 }
1187
1188 /**
1189  * Returns whether the current page is the “known Sones” page.
1190  *
1191  * @returns {Boolean} <code>true</code> if the current page is the “known
1192  *          Sones” page, <code>false</code> otherwise
1193  */
1194 function isKnownSonesPage() {
1195         return getPageId() == "known-sones";
1196 }
1197
1198 /**
1199  * Returns whether a post with the given ID exists on the current page.
1200  *
1201  * @param postId
1202  *            The post ID to check for
1203  * @returns {Boolean} <code>true</code> if a post with the given ID already
1204  *          exists on the page, <code>false</code> otherwise
1205  */
1206 function hasPost(postId) {
1207         return $(".post#" + postId).length > 0;
1208 }
1209
1210 /**
1211  * Returns whether a reply with the given ID exists on the current page.
1212  *
1213  * @param replyId
1214  *            The reply ID to check for
1215  * @returns {Boolean} <code>true</code> if a reply with the given ID already
1216  *          exists on the page, <code>false</code> otherwise
1217  */
1218 function hasReply(replyId) {
1219         return $("#sone .reply#" + replyId).length > 0;
1220 }
1221
1222 function loadNewPost(postId, soneId, recipientId, time) {
1223         if (hasPost(postId)) {
1224                 return;
1225         }
1226         if (!isIndexPage() || (getPage(".pagination-index") > 1)) {
1227                 if (!isViewPostPage() || (getShownPostId() != postId)) {
1228                         if (!isViewSonePage() || ((getShownSoneId() != soneId) && (getShownSoneId() != recipientId)) || (getPage(".post-navigation") > 1)) {
1229                                 return;
1230                         }
1231                 }
1232         }
1233         if (getPostTime($("#sone .post").last()) > time) {
1234                 return;
1235         }
1236         ajaxGet("getPost.ajax", { "post" : postId }, function(data, textStatus) {
1237                 if ((data != null) && data.success) {
1238                         if (hasPost(data.post.id)) {
1239                                 return;
1240                         }
1241                         if ((!isIndexPage() || (getPage(".pagination-index") > 1)) && !(isViewSonePage() && ((getShownSoneId() == data.post.sone) || (getShownSoneId() == data.post.recipient) || (getPage(".post-navigation") > 1)))) {
1242                                 return;
1243                         }
1244                         var firstOlderPost = null;
1245                         $("#sone .post").each(function() {
1246                                 if (getPostTime(this) < data.post.time) {
1247                                         firstOlderPost = $(this);
1248                                         return false;
1249                                 }
1250                         });
1251                         newPost = $(data.post.html).addClass("hidden");
1252                         if ($(".post-author-local", newPost).text() == "true") {
1253                                 newPost.removeClass("new");
1254                         }
1255                         if (firstOlderPost != null) {
1256                                 newPost.insertBefore(firstOlderPost);
1257                         }
1258                         ajaxifyPost(newPost);
1259                         updatePostTimes(data.post.id);
1260                         newPost.slideDown();
1261                         setActivity();
1262                 }
1263         });
1264 }
1265
1266 function loadNewReply(replyId, soneId, postId, postSoneId) {
1267         if (hasReply(replyId)) {
1268                 return;
1269         }
1270         if (!hasPost(postId)) {
1271                 return;
1272         }
1273         ajaxGet("getReply.ajax", { "reply": replyId }, function(data, textStatus) {
1274                 /* find post. */
1275                 if ((data != null) && data.success) {
1276                         if (hasReply(data.reply.id)) {
1277                                 return;
1278                         }
1279                         $("#sone .post#" + data.reply.postId).each(function() {
1280                                 var firstNewerReply = null;
1281                                 $(this).find(".replies .reply").each(function() {
1282                                         if (getReplyTime(this) > data.reply.time) {
1283                                                 firstNewerReply = $(this);
1284                                                 return false;
1285                                         }
1286                                 });
1287                                 newReply = $(data.reply.html).addClass("hidden");
1288                                 if ($(".reply-author-local", newReply).text() == "true") {
1289                                         newReply.removeClass("new");
1290                                         (function(newReply) {
1291                                                 setTimeout(function() {
1292                                                         markReplyAsKnown(newReply, false);
1293                                                 }, 5000);
1294                                         })(newReply);
1295                                 }
1296                                 if (firstNewerReply != null) {
1297                                         newReply.insertBefore(firstNewerReply);
1298                                 } else {
1299                                         if ($(this).find(".replies .create-reply")) {
1300                                                 $(this).find(".replies .create-reply").before(newReply);
1301                                         } else {
1302                                                 $(this).find(".replies").append(newReply);
1303                                         }
1304                                 }
1305                                 ajaxifyReply(newReply);
1306                                 updateReplyTimes(data.reply.id);
1307                                 newReply.slideDown();
1308                                 setActivity();
1309                                 return false;
1310                         });
1311                 }
1312         });
1313 }
1314
1315 /**
1316  * Marks the given Sone as known if it is still new.
1317  *
1318  * @param soneElement
1319  *            The Sone to mark as known
1320  * @param skipRequest
1321  *            true to skip the JSON request, false or omit to perform the JSON
1322  *            request
1323  */
1324 function markSoneAsKnown(soneElement, skipRequest) {
1325         if ($(soneElement).is(".new")) {
1326                 $(soneElement).removeClass("new");
1327                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1328                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "sone", "id": getSoneId(soneElement)});
1329                 }
1330         }
1331 }
1332
1333 function markPostAsKnown(postElements, skipRequest) {
1334         $(postElements).each(function() {
1335                 postElement = this;
1336                 if ($(postElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1337                         (function(postElement) {
1338                                 $(postElement).removeClass("new");
1339                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1340                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "post", "id": getPostId(postElement)});
1341                                 }
1342                         })(postElement);
1343                 }
1344                 $(".click-to-show", postElement).removeClass("new");
1345         });
1346         markReplyAsKnown($(postElements).find(".reply"));
1347 }
1348
1349 function markReplyAsKnown(replyElements, skipRequest) {
1350         $(replyElements).each(function() {
1351                 replyElement = this;
1352                 if ($(replyElement).hasClass("new") || ((typeof skipRequest != "undefined") && !skipRequest)) {
1353                         (function(replyElement) {
1354                                 $(replyElement).removeClass("new");
1355                                 if ((typeof skipRequest == "undefined") || !skipRequest) {
1356                                         ajaxGet("markAsKnown.ajax", {"formPassword": getFormPassword(), "type": "reply", "id": getReplyId(replyElement)});
1357                                 }
1358                         })(replyElement);
1359                 }
1360         });
1361 }
1362
1363 /**
1364  * Updates the time of the post with the given ID.
1365  *
1366  * @param postId
1367  *            The ID of the post to update
1368  * @param timeText
1369  *            The text of the time to show
1370  * @param refreshTime
1371  *            The refresh time after which to request a new time (in seconds)
1372  * @param tooltip
1373  *            The tooltip to show
1374  */
1375 function updatePostTime(postId, timeText, refreshTime, tooltip) {
1376         if (!getPost(postId).is(":visible")) {
1377                 return;
1378         }
1379         getPost(postId).find(".post-status-line > .time a").html(timeText).attr("title", tooltip);
1380         (function(postId, refreshTime) {
1381                 setTimeout(function() {
1382                         updatePostTimes(postId);
1383                 }, refreshTime * 1000);
1384         })(postId, refreshTime);
1385 }
1386
1387 /**
1388  * Requests new rendered times for the posts with the given IDs.
1389  *
1390  * @param postIds
1391  *            Comma-separated post IDs
1392  */
1393 function updatePostTimes(postIds) {
1394         ajaxGet("getTimes.ajax", { "posts" : postIds }, function(data, textStatus) {
1395                 if ((data != null) && data.success) {
1396                         $.each(data.postTimes, function(index, value) {
1397                                 updatePostTime(index, value.timeText, value.refreshTime, value.tooltip);
1398                         });
1399                 }
1400         });
1401 }
1402
1403 /**
1404  * Updates the time of the reply with the given ID.
1405  *
1406  * @param postId
1407  *            The ID of the reply to update
1408  * @param timeText
1409  *            The text of the time to show
1410  * @param refreshTime
1411  *            The refresh time after which to request a new time (in seconds)
1412  * @param tooltip
1413  *            The tooltip to show
1414  */
1415 function updateReplyTime(replyId, timeText, refreshTime, tooltip) {
1416         getReply(replyId).find(".reply-status-line > .time").html(timeText).attr("title", tooltip);
1417         (function(replyId, refreshTime) {
1418                 setTimeout(function() {
1419                         updateReplyTimes(replyId);
1420                 }, refreshTime * 1000);
1421         })(replyId, refreshTime);
1422 }
1423
1424 /**
1425  * Requests new rendered times for the posts with the given IDs.
1426  *
1427  * @param postIds
1428  *            Comma-separated post IDs
1429  */
1430 function updateReplyTimes(replyIds) {
1431         ajaxGet("getTimes.ajax", { "replies" : replyIds }, function(data, textStatus) {
1432                 if ((data != null) && data.success) {
1433                         $.each(data.replyTimes, function(index, value) {
1434                                 updateReplyTime(index, value.timeText, value.refreshTime, value.tooltip);
1435                         });
1436                 }
1437         });
1438 }
1439
1440 function resetActivity() {
1441         title = document.title;
1442         if (title.indexOf('(') == 0) {
1443                 setTitle(title.substr(title.indexOf(' ') + 1));
1444         }
1445         iconBlinking = false;
1446 }
1447
1448 function setActivity() {
1449         if (!focus) {
1450                 title = document.title;
1451                 if (title.indexOf('(') != 0) {
1452                         setTitle("(!) " + title);
1453                 }
1454                 if (!iconBlinking) {
1455                         setTimeout(toggleIcon, 1500);
1456                         iconBlinking = true;
1457                 }
1458         }
1459 }
1460
1461 /**
1462  * Sets the window title after a small delay to prevent race-condition issues.
1463  *
1464  * @param title
1465  *            The title to set
1466  */
1467 function setTitle(title) {
1468         setTimeout(function() {
1469                 document.title = title;
1470         }, 50);
1471 }
1472
1473 /** Whether the icon is currently showing activity. */
1474 var iconActive = false;
1475
1476 /** Whether the icon is currently supposed to blink. */
1477 var iconBlinking = false;
1478
1479 /**
1480  * Toggles the icon. If the window has gained focus and the icon is still
1481  * showing the activity state, it is returned to normal.
1482  */
1483 function toggleIcon() {
1484         if (focus || !iconBlinking) {
1485                 if (iconActive) {
1486                         changeIcon("images/icon.png");
1487                         iconActive = false;
1488                 }
1489                 iconBlinking = false;
1490         } else {
1491                 iconActive = !iconActive;
1492                 changeIcon(iconActive ? "images/icon-activity.png" : "images/icon.png");
1493                 setTimeout(toggleIcon, 1500);
1494         }
1495 }
1496
1497 /**
1498  * Changes the icon of the page.
1499  *
1500  * @param iconUrl
1501  *            The new URL of the icon
1502  */
1503 function changeIcon(iconUrl) {
1504         $("link[rel=icon]").remove();
1505         $("head").append($("<link>").attr("rel", "icon").attr("type", "image/png").attr("href", iconUrl));
1506         $("iframe[id=icon-update]")[0].src += "";
1507 }
1508
1509 /**
1510  * Creates a new notification.
1511  *
1512  * @param id
1513  *            The ID of the notificaiton
1514  * @param text
1515  *            The text of the notification
1516  * @param dismissable
1517  *            <code>true</code> if the notification can be dismissed by the
1518  *            user
1519  */
1520 function createNotification(id, lastUpdatedTime, text, dismissable) {
1521         notification = $("<div></div>").addClass("notification").attr("id", id).attr("lastUpdatedTime", lastUpdatedTime);
1522         if (dismissable) {
1523                 dismissForm = $("#sone #notification-area #notification-dismiss-template").clone().removeClass("hidden").removeAttr("id");
1524                 dismissForm.find("input[name=notification]").val(id);
1525                 notification.append(dismissForm);
1526         }
1527         notification.append(text);
1528         return notification;
1529 }
1530
1531 /**
1532  * Shows the details of the notification with the given ID.
1533  *
1534  * @param notificationId
1535  *            The ID of the notification
1536  */
1537 function showNotificationDetails(notificationId) {
1538         $("#sone .notification#" + notificationId + " .text").removeClass("hidden");
1539         $("#sone .notification#" + notificationId + " .short-text").addClass("hidden");
1540 }
1541
1542 /**
1543  * Deletes the field with the given ID from the profile.
1544  *
1545  * @param fieldId
1546  *            The ID of the field to delete
1547  */
1548 function deleteProfileField(fieldId) {
1549         ajaxGet("deleteProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId}, function(data, textStatus) {
1550                 if (data && data.success) {
1551                         $("#sone .profile-field#" + data.field.id).slideUp();
1552                 }
1553         });
1554 }
1555
1556 /**
1557  * Renames a profile field.
1558  *
1559  * @param fieldId
1560  *            The ID of the field to rename
1561  * @param newName
1562  *            The new name of the field
1563  * @param successFunction
1564  *            Called when the renaming was successful
1565  */
1566 function editProfileField(fieldId, newName, successFunction) {
1567         ajaxGet("editProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "name": newName}, function(data, textStatus) {
1568                 if (data && data.success) {
1569                         successFunction();
1570                 }
1571         });
1572 }
1573
1574 /**
1575  * Moves the profile field with the given ID one slot in the given direction.
1576  *
1577  * @param fieldId
1578  *            The ID of the field to move
1579  * @param direction
1580  *            The direction to move in (“up” or “down”)
1581  * @param successFunction
1582  *            Function to call on success
1583  */
1584 function moveProfileField(fieldId, direction, successFunction) {
1585         ajaxGet("moveProfileField.ajax", {"formPassword": getFormPassword(), "field": fieldId, "direction": direction}, function(data, textStatus) {
1586                 if (data && data.success) {
1587                         successFunction();
1588                 }
1589         });
1590 }
1591
1592 /**
1593  * Moves the profile field with the given ID up one slot.
1594  *
1595  * @param fieldId
1596  *            The ID of the field to move
1597  * @param successFunction
1598  *            Function to call on success
1599  */
1600 function moveProfileFieldUp(fieldId, successFunction) {
1601         moveProfileField(fieldId, "up", successFunction);
1602 }
1603
1604 /**
1605  * Moves the profile field with the given ID down one slot.
1606  *
1607  * @param fieldId
1608  *            The ID of the field to move
1609  * @param successFunction
1610  *            Function to call on success
1611  */
1612 function moveProfileFieldDown(fieldId, successFunction) {
1613         moveProfileField(fieldId, "down", successFunction);
1614 }
1615
1616 var statusRequestQueued = true;
1617
1618 /**
1619  * Sets the status of the web interface as offline.
1620  */
1621 function ajaxError() {
1622         online = false;
1623         showOfflineMarker(true);
1624         if (!statusRequestQueued) {
1625                 setTimeout(getStatus, 5000);
1626                 statusRequestQueued = true;
1627         }
1628 }
1629
1630 /**
1631  * Sets the status of the web interface as online.
1632  */
1633 function ajaxSuccess() {
1634         online = true;
1635         showOfflineMarker(!online || (initiallyLoggedIn && notLoggedIn));
1636 }
1637
1638 /**
1639  * Shows or hides the offline marker.
1640  *
1641  * @param visible
1642  *            {@code true} to display the offline marker, {@code false} to hide
1643  *            it
1644  */
1645 function showOfflineMarker(visible) {
1646         /* jQuery documentation says toggle() works the other way around?! */
1647         $("#sone #offline-marker").toggle(visible);
1648         if (visible) {
1649                 $("#sone #main").addClass("offline");
1650         } else {
1651                 $("#sone #main").removeClass("offline");
1652         }
1653 }
1654
1655 //
1656 // EVERYTHING BELOW HERE IS EXECUTED AFTER LOADING THE PAGE
1657 //
1658
1659 var focus = true;
1660 var online = true;
1661 var initiallyLoggedIn = $("#sone #loggedIn").text() == "true";
1662 var notLoggedIn = !initiallyLoggedIn;
1663
1664 $(document).ready(function() {
1665
1666         /* this initializes the status update input field. */
1667         getTranslation("WebInterface.DefaultText.StatusUpdate", function(defaultText) {
1668                 registerInputTextareaSwap("#sone #update-status .status-input", defaultText, "text", false, false);
1669                 $("#sone #update-status .select-sender").css("display", "inline");
1670                 $("#sone #update-status .sender").hide();
1671                 $("#sone #update-status .select-sender button").click(function() {
1672                         $("#sone #update-status .sender").show();
1673                         $("#sone #update-status .select-sender").hide();
1674                         return false;
1675                 });
1676                 $("#sone #update-status").submit(function() {
1677                         button = $("button:submit", this);
1678                         button.attr("disabled", "disabled");
1679                         if ($(this).find(":input.default:enabled").length > 0) {
1680                                 return false;
1681                         }
1682                         sender = $(this).find(":input[name=sender]").val();
1683                         text = $(this).find(":input[name=text]:enabled").val();
1684                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "sender": sender, "text": text }, function(data, textStatus) {
1685                                 button.removeAttr("disabled");
1686                         });
1687                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1688                         $(this).find(":input[name=text]:enabled").val("").blur();
1689                         $(this).find(".sender").hide();
1690                         $(this).find(".select-sender").show();
1691                         return false;
1692                 });
1693         });
1694
1695         /* ajaxify the search input field. */
1696         getTranslation("WebInterface.DefaultText.Search", function(defaultText) {
1697                 registerInputTextareaSwap("#sone #search input[name=query]", defaultText, "query", false, true);
1698         });
1699
1700         /* ajaxify input field on “view Sone” page. */
1701         getTranslation("WebInterface.DefaultText.Message", function(defaultText) {
1702                 registerInputTextareaSwap("#sone #post-message input[name=text]", defaultText, "text", false, false);
1703                 $("#sone #post-message .select-sender").css("display", "inline");
1704                 $("#sone #post-message .sender").hide();
1705                 $("#sone #post-message .select-sender button").click(function() {
1706                         $("#sone #post-message .sender").show();
1707                         $("#sone #post-message .select-sender").hide();
1708                         return false;
1709                 });
1710                 $("#sone #post-message").submit(function() {
1711                         sender = $(this).find(":input[name=sender]").val();
1712                         text = $(this).find(":input[name=text]:enabled").val();
1713                         ajaxGet("createPost.ajax", { "formPassword": getFormPassword(), "recipient": getShownSoneId(), "sender": sender, "text": text });
1714                         $(this).find(":input[name=sender]").val(getCurrentSoneId());
1715                         $(this).find(":input[name=text]:enabled").val("").blur();
1716                         $(this).find(".sender").hide();
1717                         $(this).find(".select-sender").show();
1718                         return false;
1719                 });
1720         });
1721
1722         /* Ajaxifies all posts. */
1723         /* calling getTranslation here will cache the necessary values. */
1724         getTranslation("WebInterface.Confirmation.DeletePostButton", function(text) {
1725                 getTranslation("WebInterface.Confirmation.DeleteReplyButton", function(text) {
1726                         getTranslation("WebInterface.DefaultText.Reply", function(text) {
1727                                 $("#sone .post").each(function() {
1728                                         ajaxifyPost(this);
1729                                 });
1730                         });
1731                 });
1732         });
1733
1734         /* update post times. */
1735         postIds = [];
1736         $("#sone .post").each(function() {
1737                 postIds.push(getPostId(this));
1738         });
1739         updatePostTimes(postIds.join(","));
1740
1741         /* hides all replies but the latest two. */
1742         if (!isViewPostPage()) {
1743                 getTranslation("WebInterface.ClickToShow.Replies", function(text) {
1744                         $("#sone .post .replies").each(function() {
1745                                 allReplies = $(this).find(".reply");
1746                                 if (allReplies.length > 2) {
1747                                         newHidden = false;
1748                                         for (replyIndex = 0; !newHidden && (replyIndex < (allReplies.length - 2)); ++replyIndex) {
1749                                                 $(allReplies[replyIndex]).addClass("hidden");
1750                                                 newHidden |= $(allReplies[replyIndex]).hasClass("new");
1751                                         }
1752                                         clickToShowElement = $("<div></div>").addClass("click-to-show");
1753                                         if (newHidden) {
1754                                                 clickToShowElement.addClass("new");
1755                                         }
1756                                         (function(clickToShowElement, allReplies, text) {
1757                                                 clickToShowElement.text(text);
1758                                                 clickToShowElement.click(function() {
1759                                                         allReplies.removeClass("hidden");
1760                                                         clickToShowElement.addClass("hidden");
1761                                                 });
1762                                         })(clickToShowElement, allReplies, text);
1763                                         $(allReplies[0]).before(clickToShowElement);
1764                                 }
1765                         });
1766                 });
1767         }
1768
1769         $("#sone .sone").each(function() {
1770                 ajaxifySone($(this));
1771         });
1772
1773         /* process all existing notifications, ajaxify dismiss buttons. */
1774         $("#sone #notification-area .notification").each(function() {
1775                 ajaxifyNotification($(this));
1776         });
1777
1778         /* disable all permalinks. */
1779         $(".permalink").click(function() {
1780                 return false;
1781         });
1782
1783         /* activate status polling. */
1784         setTimeout(getStatus, 5000);
1785
1786         /* reset activity counter when the page has focus. */
1787         $(window).focus(function() {
1788                 focus = true;
1789                 resetActivity();
1790         }).blur(function() {
1791                 focus = false;
1792         });
1793
1794 });